Base | Representation |
---|---|
bin | 10000001000111… |
… | …110101000011000 |
3 | 200212112111212120 |
4 | 100020332220120 |
5 | 1023310223034 |
6 | 42511541240 |
7 | 6465445503 |
oct | 2010765030 |
9 | 625474776 |
10 | 270789144 |
11 | 12994298a |
12 | 7682a820 |
13 | 44141082 |
14 | 27d6c13a |
15 | 18b8dc49 |
hex | 1023ea18 |
270789144 has 24 divisors (see below), whose sum is σ = 677174460. Its totient is φ = 90236176.
The previous prime is 270789109. The next prime is 270789149. The reversal of 270789144 is 441987072.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (24).
It is a junction number, because it is equal to n+sod(n) for n = 270789096 and 270789105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (270789149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78937 + ... + 82295.
Almost surely, 2270789144 is an apocalyptic number.
270789144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
270789144 is an abundant number, since it is smaller than the sum of its proper divisors (406385316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
270789144 is an frugal number, since it uses more digits than its factorization.
270789144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6727 (or 3364 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 42.
The square root of 270789144 is about 16455.6720920174. The cubic root of 270789144 is about 646.9594831244.
The spelling of 270789144 in words is "two hundred seventy million, seven hundred eighty-nine thousand, one hundred forty-four".
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